英文關鍵字
bitcoin
btc
bubble
economic
asset
failed
bad
investment
crash
fall
falling
drop
dropping
exchange
unsuccessful
bit
coin
rate
price
stack
money
dollars
dollar
isolated
white
cryptocurrency
crypto
currency
blockchain
balloon
speculative
market
financial
mania
wind
blowing
blows
100
hundred
bills
usd
banknotes